Ornament & Crime Assembled

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Ornament & Crime PCB rev. 2E

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$ 195.00

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Built and Tested

I asked for permission to sell assembled o_C and mxmxmx was kind enough to let me do it.  $20 of each sale goes to the developers for future development.

PCB version 2E 

Firmware Version 1.3

White OLED display

  • Teensy 3.1 / 3.2 dev board (Freescale MK20DX256 / 32-bit ARM Cortex M4).
  • 4x precision CV outputs, 16-bit (TI DAC8565).
  • output range: -3v/+6v, “in-the-loop” compensated, for proper DC accuracy (+ 9 calibration points per channel, settable in firmware); +/- 0.2mV error across a 9 octave pitch CV range is achievable.
  • 4x CV inputs, -3.5v/+6.5v, 12bit, 100k input impedance.
  • 4x trigger/gate inputs, threshold ~ 2.5v, > 100k input impedance.
  • two rotary encoders, with built-in push switches.
  • two push buttons.
  • 128 x 64 pixel 1.3” OLED display (SPI / SH1106 driver chip).
  • trigger-to-quantised-output latency < 100 microseconds.
  • 16.67kHz internal timer (CPU overclocked to 120MHz), which is also the DAC update rate. the ADC is also read at 16.67kHz but in several of the o_C “apps”, 16 values are averaged to remove noise, meaning that the effective sample rate for CV inputs is about 1 kHz. Digital (gate/trigger) inputs are read at 16.67 KHz — this ensures very low latency.
  • +/-12V power only, ca. 85mA power draw on +12V bus, < 10mA on -12V bus)